The week in pictures: 20 September 2013

Emily Sheffield uploaded this image of her sister Alice smiling for the camera and holding a glass of champagne ahead of her wedding two weeks ago.
It was a seemingly ordinary pre-wedding picture other than the fact that, in the background was the Prime Minister, barefoot and asleep on a four-poster bed.
With a ministerial red box beside him, he had taken the opportunity to crash out in the bridal suite before the ceremony.
Emily, deputy editor at British Vogue, posted the image on the social media website Instagram where it can be viewed by anyone with an Instagram account.Picture: EMILY SHEFFIELD/INSTAGRAM